Free tools for remoting access client, server, and SFTP / FTP copy/ file transfer

Remote access client, server

• Tight VNC, http://www.tightvnc.com/
• Real VNC, www.realvnc.com 
• Turb VNC, http://turbovnc.software.informer.com/
• Tiger VNC server, http://sourceforge.net/projects/tigervnc/

Copy files/folders remotely

• Free SFTP and FTP client for Windows, http://winscp.net/
• Core FTP, http://www.coreftp.com/